Final Review

A bicycle speeds up as it moves along a flat road. What happens to the bicycle’s kinetic energy during this time?

• It decreases.

• It increases.

• It remains the same

Which choice best describes kinetic energy?

• energy of motion

• energy of position

• energy of objects

• the total energy of an object

A child is sitting in a sled at the top of a snowy hill. Which statement is true regarding the position of the child?

• The child has no potential energy.

• The energy is changing from potential to kinetic.

• The energy is changing from kinetic to potential.

• The child has only potential energy.

Which type of energy conversion occurs in an electric motor?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• chemical energy to electrical energy

• electrical energy to chemical energy

Which kind of energy is stored within a chemical substance?

• light energy

• sound energy

• kinetic energy

• potential energy

Which of the following is not a form of energy?

• light

• sound

• air

• electricity

What is the total energy of all of the particles in an object called?

• chemical energy

• thermal energy

• potential energy

• nuclear energy

The picture to the left shows a man with a lit match. Which of the following shows the sequence of energy transformations taking place?

• light → chemical → heat

• heat → electrical → light

• chemical → electrical → heat

• chemical → heat → light

As ice melts, energy will be ____________________.

• Absorbed

• Released

• Constant

The burning of a fossil fuel involves a change from

• chemical energy to mechanical energy

• chemical energy to heat energy

• heat energy to chemical energy

• heat energy to mechanical energy